Spiderwort (Tradescantia ohiensis)

Full sun to part shade

Low water needs

Size: 2-3 ft tall x 1.5-2.5 ft wide

Bloom time: Spring-Summer

Great wildflower for natural gardens. Bees are attracted to the blueish/purple blooms. The blooms are only open in the morning hours. 

Price : $4.99 (1 gal)

https://florida.plantatlas.usf.edu/Plant.aspx?id=2992